tree: https://github.com/afaerber/linux.git rtd1295-next head: 89dddc4c437454ce2c1df9bf0503a7efdfcf1102 commit: ded4ad037ae38dd87bf47992d25d82e620241c09 [66/165] pinctrl: Add Realtek RTD1295 config: i386-allyesconfig (attached as .config) compiler: gcc-7 (Ubuntu 7.5.0-6ubuntu2) 7.5.0 reproduce: git checkout ded4ad037ae38dd87bf47992d25d82e620241c09 # save the attached .config to linux build tree make ARCH=i386 If you fix the issue, kindly add following tag as appropriate Reported-by: kbuild test robot <lkp(a)intel.com&gt; Note: the afaerber/rtd1295-next HEAD 89dddc4c437454ce2c1df9bf0503a7efdfcf1102 builds fine. It only hurts bisectibility. All errors (new ones prefixed by >>): #define BUILD_BUG_ON_ZERO(e) ((int)(sizeof(struct { int:(-!!(e)); }))) ^ drivers/pinctrl/pinctrl-rtd119x.c:50:15: note: in definition of macro 'RTK_PIN_MUX' .mux_mask = _mux_mask, \ ^~~~~~~~~ include/linux/bits.h:25:3: note: in expansion of macro 'BUILD_BUG_ON_ZERO' (BUILD_BUG_ON_ZERO(__builtin_choose_expr( \ ^~~~~~~~~~~~~~~~~ include/linux/bits.h:39:3: note: in expansion of macro 'GENMASK_INPUT_CHECK' (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l)) ^~~~~~~~~~~~~~~~~~~ drivers/pinctrl/pinctrl-rtd1295.h:1272:29: note: in expansion of macro 'GENMASK' RTK_PIN_MUX(nf_dd_7, 0x00, GENMASK(13, 30), ^~~~~~~ vim +16 include/linux/build_bug.h bc6245e5efd70c Ian Abbott 2017-07-10 6 bc6245e5efd70c Ian Abbott 2017-07-10 7 #ifdef __CHECKER__ bc6245e5efd70c Ian Abbott 2017-07-10 8 #define BUILD_BUG_ON_ZERO(e) (0) bc6245e5efd70c Ian Abbott 2017-07-10 9 #else /* __CHECKER__ */ bc6245e5efd70c Ian Abbott 2017-07-10 10 /* bc6245e5efd70c Ian Abbott 2017-07-10 11 * Force a compilation error if condition is true, but also produce a 8788994376d84d Rikard Falkeborn 2019-12-04 12 * result (of value 0 and type int), so the expression can be used bc6245e5efd70c Ian Abbott 2017-07-10 13 * e.g. in a structure initializer (or where-ever else comma expressions bc6245e5efd70c Ian Abbott 2017-07-10 14 * aren't permitted). bc6245e5efd70c Ian Abbott 2017-07-10 15 */ 8788994376d84d Rikard Falkeborn 2019-12-04 @16 #define BUILD_BUG_ON_ZERO(e) ((int)(sizeof(struct { int:(-!!(e)); }))) 527edbc18a70e7 Masahiro Yamada 2019-01-03 17 #endif /* __CHECKER__ */ 527edbc18a70e7 Masahiro Yamada 2019-01-03 18 :::::: The code at line 16 was first introduced by commit :::::: 8788994376d84d627450fd0d67deb6a66ddf07d7 linux/build_bug.h: change type to int :::::: TO: Rikard Falkeborn <rikard.falkeborn(a)gmail.com&gt; :::::: CC: Linus Torvalds <torvalds(a)linux-foundation.org&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org